O |a1> => |a2> O |a2> => |a3> O |a3> => |a4> O |a4> => |a5> O |a5> => |a6> O |a6> => |a7> O |a7> => |a8> O |a8> => |a9> O |a9> => |a10> O |a10> => |a1> + |b1> O |b1> => |b2> O |b2> => |b3> O |b3> => |b4> O |b4> => |b5> O |b5> => |b6> O |b6> => |b7> O |b7> => |b1> [ a1 ] [ 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 ] [ a1 ] [ a2 ] [ 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ] [ a2 ] [ a3 ] [ 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ] [ a3 ] [ a4 ] [ 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ] [ a4 ] [ a5 ] [ 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 ] [ a5 ] [ a6 ] [ 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 ] [ a6 ] [ a7 ] [ 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 ] [ a7 ] [ a8 ] [ 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 ] [ a8 ] [ a9 ] = [ 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 ] [ a9 ] [ a10 ] [ 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 ] [ a10 ] [ b1 ] [ 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 ] [ b1 ] [ b2 ] [ 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 ] [ b2 ] [ b3 ] [ 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 ] [ b3 ] [ b4 ] [ 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 ] [ b4 ] [ b5 ] [ 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 ] [ b5 ] [ b6 ] [ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 ] [ b6 ] [ b7 ] [ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 ] [ b7 ]